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Gauge-field production during axion inflation in the gradient expansion formalism

We study the explosive production of gauge fields during axion inflation in a novel gradient expansion formalism that describes the time evolution of a set of bilinear electromagnetic functions in position space. Based on this formalism, we are able to simultaneously account for two important effect...

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Detalles Bibliográficos
Autores principales: Gorbar, E.V., Schmitz, K., Sobol, O.O., Vilchinskii, S.I.
Lenguaje:eng
Publicado: 2021
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.104.123504
http://cds.cern.ch/record/2780358